Any wastewater treatment plant operator will typically tell you that one of the biggest hassles they face daily is pumping stringy material from a variety of sources. The problem here is that the material tends to get stuck in the impellers of trash pumps and wreak havoc on lobe pumps. Phil H. from Clyde, Texas tells us about his quest to find a better solution
Pumping Stringy Material at Wastewater Plants
How to Pump Cooking Oil from Restaurants
In this post we provide answers to the question of how to pump out used cooking oil from restaurant waste collection bins especially in colder weather? Used cooking oil transforms into a gel when the surrounding temperature dips below 40°F (4°C). This makes the fluid very difficult to pump. Roger F., from Charlotte, NC conveys the difficulty in pumping cooking oil:
"We are trying to find optimum pumping solution for pumping used cooking oil (uco) from 100- 300 gallon grease bins